This circulation pump especially designed for heating system and used to supply water and add pressure for mansions of city,villa of subarb,house,to match with industrial equipment,to supply water in cycle for cooling air-condition,boiler and solar energy,suppy hot andwater and keep warm cycle.

Zhejiang Lonkey Pump Industry Co.,ltd,is located in Wenling City of Zhejiang Province which is called the "Pump Town of China".Lonkey company covers a total area of 28,000 square meters.Lonkey is a professional pump manufacturer for 17 years,with modernized standard factory plants,advanced production line equipments,computerized testing&controlling machine,vacuum lacquer dripping&drying equipments and full-automatic product testing instruments.